/*
 * Copyright © 2016-2017 European Support Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openecomp.sdcrests.vsp.rest.services;

import java.util.Collection;
import javax.inject.Named;
import javax.ws.rs.core.Response;
import org.openecomp.sdc.vendorsoftwareproduct.ComponentDependencyModelManager;
import org.openecomp.sdc.vendorsoftwareproduct.ComponentDependencyModelManagerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.dao.type.ComponentDependencyModelEntity;
import org.openecomp.sdc.versioning.dao.types.Version;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.ComponentDependencyCreationDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.ComponentDependencyModel;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.ComponentDependencyResponseDto;
import org.openecomp.sdcrests.vsp.rest.ComponentDependencies;
import org.openecomp.sdcrests.vsp.rest.mapping.MapComponentDependencyEntityToCreationDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapComponentDependencyEntityToDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapComponentDependencyModelRequestToEntity;
import org.openecomp.sdcrests.wrappers.GenericCollectionWrapper;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;

@Named
@Service("componentDependencies")
@Scope(value = "prototype")
public class ComponentDependenciesImpl implements ComponentDependencies {

    private final ComponentDependencyModelManager componentDependencyModelManager;

    public ComponentDependenciesImpl() {
        this.componentDependencyModelManager = ComponentDependencyModelManagerFactory.getInstance().createInterface();
    }

    public ComponentDependenciesImpl(ComponentDependencyModelManager componentDependencyModelManager) {
        this.componentDependencyModelManager = componentDependencyModelManager;
    }

    @Override
    public Response create(ComponentDependencyModel request, String vspId, String versionId, String user) {
        final Version version = new Version(versionId);
        ComponentDependencyModelEntity modelEntity = new MapComponentDependencyModelRequestToEntity()
            .applyMapping(request, ComponentDependencyModelEntity.class);
        modelEntity.setVspId(vspId);
        modelEntity.setVersion(version);
        ComponentDependencyModelEntity componentDependency = componentDependencyModelManager.createComponentDependency(modelEntity, vspId, version);
        MapComponentDependencyEntityToCreationDto mapping = new MapComponentDependencyEntityToCreationDto();
        ComponentDependencyCreationDto createdComponentDependencyDto = mapping
            .applyMapping(componentDependency, ComponentDependencyCreationDto.class);
        return Response.ok(componentDependency != null ? createdComponentDependencyDto : null).build();
    }

    @Override
    public Response list(String vspId, String versionId, String user) {
        Version vspVersion = new Version(versionId);
        Collection<ComponentDependencyModelEntity> componentDependencies = componentDependencyModelManager.list(vspId, vspVersion);
        MapComponentDependencyEntityToDto mapper = new MapComponentDependencyEntityToDto();
        GenericCollectionWrapper<ComponentDependencyResponseDto> results = new GenericCollectionWrapper<>();
        for (ComponentDependencyModelEntity entity : componentDependencies) {
            results.add(mapper.applyMapping(entity, ComponentDependencyResponseDto.class));
        }
        return Response.ok(results).build();
    }

    @Override
    public Response delete(String vspId, String versionId, String dependencyId, String user) {
        Version vspVersion = new Version(versionId);
        componentDependencyModelManager.delete(vspId, vspVersion, dependencyId);
        return Response.ok().build();
    }

    @Override
    public Response update(ComponentDependencyModel request, String vspId, String versionId, String dependencyId, String user) {
        final Version version = new Version(versionId);
        ComponentDependencyModelEntity modelEntity = new MapComponentDependencyModelRequestToEntity()
            .applyMapping(request, ComponentDependencyModelEntity.class);
        modelEntity.setId(dependencyId);
        modelEntity.setVspId(vspId);
        modelEntity.setVersion(version);
        componentDependencyModelManager.update(modelEntity);
        return Response.ok().build();
    }

    @Override
    public Response get(String vspId, String version, String dependencyId, String user) {
        ComponentDependencyModelEntity componentDependencyModelEntity = componentDependencyModelManager
            .get(vspId, new Version(version), dependencyId);
        MapComponentDependencyEntityToDto mapper = new MapComponentDependencyEntityToDto();
        ComponentDependencyResponseDto componentDependencyResponseDto = mapper
            .applyMapping(componentDependencyModelEntity, ComponentDependencyResponseDto.class);
        return Response.ok(componentDependencyModelEntity != null ? componentDependencyResponseDto : null).build();
    }
}
